Assignment:
Question 1. At t=0, a wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2 rad/s. Two seconds later it has turned 5 complete revolutions. What is the angular acceleration of this wheel?
a) 17 rad/s^2
b) 14 rad/s^2
c) 20 rad/s^2
d) 23 rad/s^2
Question 2. A 9.00 kg hanging weight is connected to a string over a pulley to a 5.00 kg block that is sliding on a flat table. If the coefficient of kinetic friction is 0.15, find the tension in the string.
a) 28.3 N
b) 36.2 N
c) 40.4 N
d) 53.4 N